package com.imooc.web.async;

import org.apache.commons.lang.RandomStringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.async.DeferredResult;

import java.util.concurrent.Callable;

/**
 * @author Zqm
 * @Title: AsyncController
 * @ProjectName imooc-security
 * @date 2018/12/18
 */
@RestController
public class AsyncController {
    private Logger logger= LoggerFactory.getLogger(getClass());

    @Autowired
    private MockQueue mockQueue;
    @Autowired
    private DeferredResultHolder deferredResultHolder;

    @RequestMapping("/order")
    public Callable<String> order() {
        logger.info("主线程开始");
        Callable<String> result= () -> {
            logger.info("副线程开始");
            Thread.sleep(1000);
            logger.info("副线程返回");
            return "success";
        };
        logger.info("主线程返回");
        return result;
    }


    @RequestMapping("/order1")
    public DeferredResult<String> order1() throws InterruptedException {
        logger.info("主线程开始");
        String orderNumber = RandomStringUtils.randomNumeric(8);
        mockQueue.setPlaceOrder(orderNumber); //设置订单号  放在消息队列



        DeferredResult<String> result=new DeferredResult<>();
        deferredResultHolder.getMap().put(orderNumber,result);
        logger.info("主线程返回");
        return result;
    }

}
